反应本地ble plx-iOS中不支持蓝牙

Question

当我通过调用方法startDevcieScan（）开始设备扫描时，大多数时候会出现“不支持蓝牙”警报。这仅在ios中发生。我无法弄清楚为什么会这样。我在iphone 5s，6s和ipad等实际设备上测试了该代码。

下面是代码段：

let that = this;
let deviceList = [];
let count = 0;

that.manager.startDeviceScan(["1802"], null, (error, device) => {
    if (error) {
        try {
            alert(`${error.message}`);
            Log.info(`BLE scan error: ${error.message}`);
        } catch (e) {
            Log.info(`BLE scan error: ${error}`);
        }
        return;
    }


    let localDeviceList = deviceList;
    let exists = false;

    localDeviceList.map((d) => {
        if (d.id == device.id) {
            exists = true;
        }
    });

    if (!exists) {
        deviceList.push(device);
        this.homeScreen.setState({listBLEDevices: deviceList});
        let arr = this.homeScreen.state.availableDevices;
        arr.push({id: device.id, name: device.name, connected: false});
        this.homeScreen.setState({availableDevices: arr});
    }
});

};